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IntelliJ: Never use wildcard imports
...his: To force IntelliJ to include each and every import individually. It makes it easier for people to figure out exactly where classes you're using come from.
Click on the Settings "wrench" icon on the toolbar, open "Imports" under "Code Style", and check the "Use single class import" selection. ...
Ruby: What is the easiest way to remove the first element from an array?
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SjoerdSjoerd
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The way to check a HDFS directory's size?
I know du -sh in common Linux filesystems. But how to do that with HDFS?
10 Answers
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iphone: Where the .dSYM file is located in crash report
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Right Click on your archive -> Show in Finder -> Right click on file and click on Show package contents.
Here you will find your .dSYM file.
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What's a reliable way to make an iOS app crash?
...t crash when the user performs a particular action that a real user is unlikely to do accidentally.
18 Answers
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Count cells that contain any text
...parameter for criteria. This basically says, as long as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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Count number of occurences for each unique value
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Gregor Thomas
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answered Nov 18 '10 at 13:23
ChaseChase
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Showing line numbers in IPython/Jupyter Notebooks
Error reports from most language kernels running in IPython/Jupyter Notebooks indicate the line on which the error occurred; but (at least by default) no line numbers are indicated in Notebooks.
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jQuery to retrieve and set selected option value of html select element
...f the select is not what you say or you have some issues in the dom.
Check the Id of the element and also check your markup validates at here at W3c.
Without a valid dom jQuery cannot work correctly with the selectors.
If the id's are correct and your dom validates then the following applies:
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How can I listen for a click-and-hold in jQuery?
I want to be able to fire an event when a user clicks on a button, then holds that click down for 1000 to 1500 ms.
8 Answe...